title: Enhanced efficacy of a facial hydrating serum in subjects with normal or self-perceived dry skin.
abstract: OBJECTIVE
  To evaluate the efficacy and tolerance of a facial hydrating serum when added to a moisturizer regimen compared to a moisturizer regimen alone.
  
  
  METHODS
  Evaluator-blinded, single-center, clinical study with investigator assessments at Baseline and Week 2.
  
  
  METHODS
  After washing with a facial cleanser in the morning and evening, subjects either applied the hydrating serum to their face followed by application of the moisturizer or applied only a moisturizer.
  
  
  METHODS
  Thirty-two women, aged 25 to 55 years with Fitzpatrick skin types I to V and normal or self-perceived dry skin completed the study. Seventeen subjects (Group 1) aged 25 to 51 years were randomly assigned to receive the facial hydrating serum in addition to a moisturizer regimen, whereas 15 subjects (Group 2) aged 34 to 55 years, were randomized to receive the moisturizer regimen alone.
  
  
  METHODS
  Visual grading of the condition of the facial skin with regard to dryness, tactile roughness and softness, rating of irritation (subjective and objective), and digital photography. A self-assessment questionnaire was also employed to assess patient satisfaction.
  
  
  RESULTS
  Clinical assessments by the investigator showed statistically significant improvements (P<0.02) in facial skin parameters (reduction in dryness and increased skin softness) after two weeks of combined use of the hydrating serum and moisturizer compared to the group who used moisturizer alone. No adverse events were reported during the course of the study.
  
  
  CONCLUSIONS
  The results from a two-week clinical study demonstrate that this facial hydrating serum was well tolerated and effective in improving facial dry skin parameters beyond that obtained with a moisturizer alone.
authors.forename: W Philip
authors.initials: WP
authors.lastname: Werschler
authors.forename: Nathan S
authors.initials: NS
authors.lastname: Trookman
authors.forename: Ronald L
authors.initials: RL
authors.lastname: Rizer
authors.forename: Elizabeth T
authors.initials: ET
authors.lastname: Ho
authors.forename: Rahul
authors.initials: R
authors.lastname: Mehta